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Pontiac G6 Hardtop Convertible



  • I recently took my G6 to the former Pontiac dealership here, Devan Lowe, in Rainbow City, AL. I gave them TSB#06-08-59-003B and asked them to see if they could stop the rattles in my top. They had told me that their technician is one of the very best at it. I am very pleased to report that their work was successfull. I have not heard a rattle since I got it back. :D
  • redandbearredandbear Posts: 2
    edited June 2013
    My husband and I drove thru a car dealership yesterday on a whim and found a 2009 Pontiac G6 convertible. Instant love, the car looked awesome, but they usually do on a car lot. The carfax report looked good. One thing that concerns me is that it has 78,000 miles on it. Anything we should look for, ask about or consider before going for it?
  • mickeynewmickeynew Posts: 3
    The two things to look for are if the top rattles when it is up and a whistle in the exhaust system. If you can find a good previous Pontiac dealership, and the top rattles, there is a TSB about how to fix that. It did the trick on mine. Some folks got Pontiac to replace the whistling exhaust. You might get the dealer to check the GM records and see if this was done. Mine does it when it is cold and seems to stop after everything warms up. I can live with that. I love my 2007 and drive it a LOT with the top down. :D
  • Good to know, we'll check it out, Thanks!
  • kevgretkevgret Posts: 35

    I have had my G6 HTC convertible for 7 years. In those 7 years I have documented the trials and tribulations of my car in this very forum (just read my posts). The latest problem has to do with my top. The top on my convertible will not go all of the way up. The part where the top won't go up is where the trunk has to close to complete the process but it won't.

    I have had the car to the only dealer who has worked on my car THREE times. All three times I was told there is nothing with my car and the top is fine. Well today I tried to enjoy my day off and I put my top down and up to make sure it worked... and it didn't.

    So I went to the dealer and he put the top down and up 5 times and it worked perfectly... so I explained to him that the top would not work at my house in my driveway... My driveway is on a slight incline so I had him take the car to a hill and when he tried to put the top up it FAILED.

    So now the dealer verified that the top will not close while parked on an incline... BUT he didn't want to keep the car to work on it. His suggestion was to close the top on the street and not on an incline.

    I really don't like this because I would like my top repaired to complete working condition.

    So here I am with a top that works on certain inclines and a dealer who doesn't want to try and repair it. The whole reason for me keeping this car as long as I have is for the hard top. If I can't use it there is no sense even keeping the car.

    Does anyone have any ideas on how to fix this or where to go to get it repaired?
  • gonogogonogo Posts: 869
    I would use it on level ground. It's a G6, not a MB.
  • kevgretkevgret Posts: 35
    This doesn't really solve my problem, does it?

    My driveway is no different than millions of others. The small incline should not make my top defective... and what if I'm in an area where there is no surface that meets the top's incline specifications? What am I to do then?

    I wanted to take this car on my next driving vacation into the mountains, but I really can't now.
  • gonogogonogo Posts: 869
    edited August 2013
    Good Luck getting it fixed. Haven't you ever seen GM state, as designed.

    I have been in a lot of mountains, there are level places.

    Call Pontiac customer service and complain. 1-800-762-2737

    Canada 1-800-263-3777

    From what I have been reading for years about the G6 hard top, your lucky it works at all.
  • kevgretkevgret Posts: 35
    edited August 2013
    Here is yet another issue with my HTC. Two years ago my car failed inspection for an OBD sensor. I guess this is something that communicates with the state inspection machines. I took the car to my dealer who said the car was fine and the state inspection station was wrong. The dealer passed the car.

    Well here it is 2 years later and guess what.. you guessed it.. the car failed once again for a OBD sensor. The state inspection station even moved my car to THREE different lanes and it failed on ALL three. Talk about embarrassing... having state employees scream at you that your car is not safe is not how I wanted to spend my morning.

    I called my dealer again and will be dropping the car off for them to review.

    Does anyone know if this is an issue with the G6's? with all of the trouble my car has I just don't know.
  • gonogogonogo Posts: 869
    I don't, I'm in a no emissions state. We had it in a few counties, but expensive repairs and no fix killed it.
  • I gave up on dealers. Tried GM customer service, and the dealer flat out refuses to fix the issues they caused. GM didn't properly train dealer technicians on fixing this CVT. The last one put a piece of plastic pipe in as a spacer to try and align it, along with super glue, velcro, and electrical tape.

    I reported dealer to BBB, and filed suit in small claims with no satisfaction.

    I got lucky - I found a local auto upholstery shop with a Mr. FixIt who loves tinkering with convertibles. After about 3 weeks, and $700 my CHT works better than new. He said the cables as installed from the factory were 'mirror image reversed' to the path that will actually work and be reliable.

    If you can't get your fixed by the dealer who doesn't have a clue how these convertible hard tops work, it might be worth driving it to JAX and let Sargents fix it for you - better than new.
  • gonogogonogo Posts: 869
    You should be replying to kevgret, I don't own a convertible.
    I have a hole in the roof though.
  • kevgretkevgret Posts: 35
    I took my car to the dealer yesterday and it passed inspection on their machine. My car has failed at two different state inspection stations and at multiple inspection lines, but not at the dealer.

    This is more than a coincidence but there is nothing more the dealer can/wants to do because it passed at his shop. So since I have owned the car it has not been able to get a state inspection pass.

    Does anyone know why my car would fail twice in two years at a state inspection station but not at the dealer? I know that in two years the car will once again fail a state inspection.
  • Sorry - I was replying to HTC Top Issues - Hard Top Convertible. The G6 with retractible hard top is wonderful, when it works. Problem is dealers are not equipped to deal with it when there is a problem. My experience anyway.
    Kathy's G6
  • gonogogonogo Posts: 869
    The hard top and panoramic sun roof did not work out well, so were trashed.
  • redbulredbul Posts: 13
    I would mention the top two points. Also watch for slight excess play in the top dead centre of the steering wheel. Further, if there is a hesitation in the transmission when you slow to a near stop then reaccelerate, such as rolling through a stop sign, it could point to future transmission failure.

    Oddly getting the right lubricant for the window seals seems to help with the "rattles" or "popping". Lately I notice there is extra bracing on the lower frame and I wonder if these may cause rattling if they come loose.

    I have been getting dimples in the panel just below the rear quarter windows on both sides. I had them knocked out but they are back. I suspect this might be from chassis flexing.
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